Add PlayerLevelStatueEvent & PlayerUseSkillEvent

src/main/java/emu/grasscutter/server/event/player/PlayerLevelStatueEvent.java

@@ -0,0 +1,20 @@
+package emu.grasscutter.server.event.player;
+
+import emu.grasscutter.game.city.CityInfoData;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.server.event.types.PlayerEvent;
+import lombok.Getter;
+
+@Getter
+public final class PlayerLevelStatueEvent extends PlayerEvent {
+    private final CityInfoData city;
+    private final int sceneId, areaId;
+
+    public PlayerLevelStatueEvent(Player player, CityInfoData city, int sceneId, int areaId) {
+        super(player);
+
+        this.city = city;
+        this.sceneId = sceneId;
+        this.areaId = areaId;
+    }
+}

src/main/java/emu/grasscutter/server/event/player/PlayerUseSkillEvent.java

@@ -0,0 +1,28 @@
+package emu.grasscutter.server.event.player;
+
+import emu.grasscutter.data.excels.avatar.AvatarSkillData;
+import emu.grasscutter.game.avatar.Avatar;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.server.event.Cancellable;
+import emu.grasscutter.server.event.types.PlayerEvent;
+import lombok.Getter;
+
+@Getter
+public final class PlayerUseSkillEvent extends PlayerEvent implements Cancellable {
+    private final AvatarSkillData skillData;
+    private final Avatar avatar;
+
+    public PlayerUseSkillEvent(Player player, AvatarSkillData skillData, Avatar avatar) {
+        super(player);
+
+        this.skillData = skillData;
+        this.avatar = avatar;
+    }
+
+    /**
+     * @return {@code true} if the skill is an elemental burst.
+     */
+    public boolean isElementalBurst() {
+        return this.getSkillData().getCostElemVal() <= 0;
+    }
+}